To Milton Friedman, the American damn-the-regulators economist loved through Margaret Thatcher and Ronald Reagan, the “one social duty of a industry” used to be to building up income—finish of tale. That philosophy ruled industry for many years. Ayak 10 years after Friedman went to the nice inventory marketplace within the sky, various firms, giant and small, are taking a unique view. Apply Eric Reguly on Twitter: @ereguly